Thermal expansion and contraction
Expansion and contraction
Since the linear expansion coefficient of metal panels is high, temperature difference changes can lead to relatively significant displacements of metal panels. The design of Lysaght KLIP-LOK? 700 (with high-strength G550) new-generation concealed snap-on systems and sliding type supporting seat with Lysaght SEAM-LOK? 75 standing seam sheets can cope with the thermal expansion and contraction of wide-span roof.
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